（ただし１と２を合せて１２のような使い方は出来ません。）
29個の解法が見つかりました。
((0+5)×(7-5))=10
((0-5)×(5-7))=10
((0÷7)+(5+5))=10
((5×(7-5))-0)=10
((5+5)+(0×7))=10
((5+5)+(0÷7))=10
((5+5)-(0×7))=10
((5+5)-(0÷7))=10
((5-0)×(7-5))=10
((5-7)×(0-5))=10
((7-5)×(0+5))=10
((7-5)×(5-0))=10
(0+(5×(7-5)))=10
(0-(5×(5-7)))=10
(5×((0+7)-5))=10
(5×((7-0)-5))=10
(5×((7-5)-0))=10
(5×(0+(7-5)))=10
(5×(0-(5-7)))=10
(5×(7+(0-5)))=10
(5×(7-(0+5)))=10
(5×(7-(5-0)))=10
(5+(5+(0×7)))=10
(5+(5+(0÷7)))=10
(5+(5-(0×7)))=10
(5+(5-(0÷7)))=10
(5-((0×7)-5))=10
(5-((0÷7)-5))=10